EP2267628A3 - Token passing technique for media playback devices - Google Patents

Token passing technique for media playback devices Download PDF

Info

Publication number
EP2267628A3
EP2267628A3 EP10181385A EP10181385A EP2267628A3 EP 2267628 A3 EP2267628 A3 EP 2267628A3 EP 10181385 A EP10181385 A EP 10181385A EP 10181385 A EP10181385 A EP 10181385A EP 2267628 A3 EP2267628 A3 EP 2267628A3
Authority
EP
European Patent Office
Prior art keywords
player
token
media content
host device
media playback
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP10181385A
Other languages
German (de)
French (fr)
Other versions
EP2267628A2 (en
EP2267628B1 (en
Inventor
Rainer Brodersen
Augustin J. Farrugia
Jeffrey Robbin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Apple Inc
Original Assignee
Apple Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Apple Inc filed Critical Apple Inc
Publication of EP2267628A2 publication Critical patent/EP2267628A2/en
Publication of EP2267628A3 publication Critical patent/EP2267628A3/en
Application granted granted Critical
Publication of EP2267628B1 publication Critical patent/EP2267628B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
    • H04N7/1675—Providing digital key or authorisation information for generation or regeneration of the scrambling sequence
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/4104—Peripherals receiving signals from specially adapted client devices
    • H04N21/4126—The peripheral being portable, e.g. PDAs or mobile phones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
    • H04N21/4405—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving video stream decryption
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/633—Control signals issued by server directed to the network components or client
    • H04N21/6332—Control signals issued by server directed to the network components or client directed to client
    • H04N21/6334—Control signals issued by server directed to the network components or client directed to client for authorisation, e.g. by transmitting a key
    • H04N21/63345—Control signals issued by server directed to the network components or client directed to client for authorisation, e.g. by transmitting a key by transmitting keys
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/835—Generation of protective data, e.g. certificates
    • H04N21/8355—Generation of protective data, e.g. certificates involving usage data, e.g. number of copies or viewings allowed

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Technology Law (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Storage Device Security (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)

Abstract

A computer enabled method for controlling distribution of encrypted media content to a player (30) having an associated host device (20), the method comprising the acts of:
the player exchanging authentication data (1) with its host device;
receiving a token at the player from the host device in response to a token request;
sending identification data (5) from the player directly to an external source including the token; and
accessing at the player, in response to the received token, at least one key (6) received directly from the source by the player and relating to encryption or decryption of the media content to be distributed and an additional token for a subsequent request by the player for media content.
EP10181385.5A 2007-01-08 2008-01-03 Token passing technique for media playback devices Active EP2267628B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/651,339 US7975312B2 (en) 2007-01-08 2007-01-08 Token passing technique for media playback devices
EP08150035.7A EP1942430B1 (en) 2007-01-08 2008-01-03 Token Passing Technique for Media Playback Devices

Related Parent Applications (3)

Application Number Title Priority Date Filing Date
EP08150035.7A Division EP1942430B1 (en) 2007-01-08 2008-01-03 Token Passing Technique for Media Playback Devices
EP08150035.7A Division-Into EP1942430B1 (en) 2007-01-08 2008-01-03 Token Passing Technique for Media Playback Devices
EP08150035.7 Division 2008-01-03

Publications (3)

Publication Number Publication Date
EP2267628A2 EP2267628A2 (en) 2010-12-29
EP2267628A3 true EP2267628A3 (en) 2011-08-03
EP2267628B1 EP2267628B1 (en) 2021-04-14

Family

ID=39148577

Family Applications (2)

Application Number Title Priority Date Filing Date
EP10181385.5A Active EP2267628B1 (en) 2007-01-08 2008-01-03 Token passing technique for media playback devices
EP08150035.7A Active EP1942430B1 (en) 2007-01-08 2008-01-03 Token Passing Technique for Media Playback Devices

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP08150035.7A Active EP1942430B1 (en) 2007-01-08 2008-01-03 Token Passing Technique for Media Playback Devices

Country Status (3)

Country Link
US (1) US7975312B2 (en)
EP (2) EP2267628B1 (en)
WO (1) WO2008085917A2 (en)

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US8571216B2 (en) 2008-12-01 2013-10-29 Apple Inc. Eliminating plaintext video from external memory
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US8910295B2 (en) * 2010-11-30 2014-12-09 Comcast Cable Communications, Llc Secure content access authorization
US10306279B2 (en) * 2011-02-11 2019-05-28 Sony Interactive Entertainment LLC System and method providing a frequently-accessed service or asset list on a second display
US9438415B2 (en) 2011-02-23 2016-09-06 Broadcom Corporation Method and system for securing communication on a home gateway in an IP content streaming system
US9232268B2 (en) * 2011-02-23 2016-01-05 Broadcom Corporation Unified video delivery system for supporting IP video streaming service
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US9805350B2 (en) * 2012-07-16 2017-10-31 Infosys Limited System and method for providing access of digital contents to offline DRM users
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WO2014127279A1 (en) * 2013-02-14 2014-08-21 Singer Howard M Methods, systems, and media for indicating digital media content quality to a user
US9942213B2 (en) * 2013-03-15 2018-04-10 Comcast Cable Communications, Llc Systems and methods for providing secure services
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Also Published As

Publication number Publication date
US7975312B2 (en) 2011-07-05
EP2267628A2 (en) 2010-12-29
EP1942430A1 (en) 2008-07-09
US20080168568A1 (en) 2008-07-10
WO2008085917A3 (en) 2008-09-25
WO2008085917A2 (en) 2008-07-17
EP2267628B1 (en) 2021-04-14
EP1942430B1 (en) 2020-04-15

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